8475ee2d69
Rebased from Fedora rawhide, commit: 6b2ff68.
* Except "Fix FTBFS due to an incompatible load" as that is included as
a separate commit to highlight the change.
* Add missing `rubygem-` prefix for bundled provide of 'connection_pool'.
* Pass ldflags to gem install via CONFIGURE_ARGS
* Remove IRB dependency from rubygem-rdoc.
* Fix flaky excon test suite.
* Properly support DWARF5 debug information.
Related: rhbz#1920533
* Bundle OpenSSL into StdLib.
* Fix SEGFAULT in rubygem-shoulda-matchers test suite.
* Provide `gem.build_complete` file for binary gems.
* Re-enable test suite.
* ruby-default-gems have to depend on rubygem(io-console) due to
reline.
* Fix SEGFAULT preventing rubygem-unicode to build on armv7hl.
* Add support for reworked RubyGems plugins.
* Use proper path for plugin wrappers.
* Extract RSS and REXML into separate subpackages, because they were
moved from default gems to bundled gems.
* Drop Net::Telnet and XMLRPC packages, because they were dropped from
Ruby.
Resolves: rhbz#1938942
218 lines
6.1 KiB
Diff
218 lines
6.1 KiB
Diff
--- a/addr2line.c
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+++ b/addr2line.c
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@@ -159,11 +159,12 @@
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struct dwarf_section debug_info;
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struct dwarf_section debug_line;
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struct dwarf_section debug_ranges;
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+ struct dwarf_section debug_rnglists;
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struct dwarf_section debug_str;
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struct obj_info *next;
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} obj_info_t;
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-#define DWARF_SECTION_COUNT 5
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+#define DWARF_SECTION_COUNT 6
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static struct dwarf_section *
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obj_dwarf_section_at(obj_info_t *obj, int n)
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@@ -173,6 +174,7 @@
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&obj->debug_info,
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&obj->debug_line,
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&obj->debug_ranges,
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+ &obj->debug_rnglists,
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&obj->debug_str
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};
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if (n < 0 || DWARF_SECTION_COUNT <= n) {
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@@ -411,7 +413,7 @@
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FILL_LINE();
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break;
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case DW_LNS_advance_pc:
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- a = uleb128((char **)&p);
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+ a = uleb128((char **)&p) * header.minimum_instruction_length;
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addr += a;
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break;
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case DW_LNS_advance_line: {
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@@ -450,7 +452,7 @@
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/* isa = (unsigned int)*/(void)uleb128((char **)&p);
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break;
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case 0:
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- a = *(unsigned char *)p++;
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+ a = uleb128((char **)&p);
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op = *p++;
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switch (op) {
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case DW_LNE_end_sequence:
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@@ -807,6 +809,18 @@
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DW_FORM_addrx4 = 0x2c
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};
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+/* Range list entry encodings */
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+enum {
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+ DW_RLE_end_of_list = 0x00,
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+ DW_RLE_base_addressx = 0x01,
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+ DW_RLE_startx_endx = 0x02,
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+ DW_RLE_startx_length = 0x03,
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+ DW_RLE_offset_pair = 0x04,
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+ DW_RLE_base_address = 0x05,
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+ DW_RLE_start_end = 0x06,
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+ DW_RLE_start_length = 0x07
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+};
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+
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enum {
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VAL_none = 0,
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VAL_cstr = 1,
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@@ -961,6 +975,23 @@
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}
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static void
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+di_skip_die_attributes(char **p)
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+{
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+ for (;;) {
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+ uint64_t at = uleb128(p);
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+ uint64_t form = uleb128(p);
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+ if (!at && !form) break;
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+ switch (form) {
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+ default:
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+ break;
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+ case DW_FORM_implicit_const:
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+ sleb128(p);
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+ break;
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+ }
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+ }
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+}
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+
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+static void
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di_read_debug_abbrev_cu(DebugInfoReader *reader)
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{
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uint64_t prev = 0;
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@@ -974,12 +1005,7 @@
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prev = abbrev_number;
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uleb128(&p); /* tag */
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p++; /* has_children */
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- /* skip content */
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- for (;;) {
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- uint64_t at = uleb128(&p);
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- uint64_t form = uleb128(&p);
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- if (!at && !form) break;
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- }
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+ di_skip_die_attributes(&p);
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}
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}
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@@ -1243,12 +1269,7 @@
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/* skip 255th record */
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uleb128(&p); /* tag */
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p++; /* has_children */
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- /* skip content */
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- for (;;) {
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- uint64_t at = uleb128(&p);
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- uint64_t form = uleb128(&p);
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- if (!at && !form) break;
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- }
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+ di_skip_die_attributes(&p);
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for (uint64_t n = uleb128(&p); abbrev_number != n; n = uleb128(&p)) {
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if (n == 0) {
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fprintf(stderr,"%d: Abbrev Number %"PRId64" not found\n",__LINE__, abbrev_number);
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@@ -1256,12 +1277,7 @@
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}
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uleb128(&p); /* tag */
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p++; /* has_children */
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- /* skip content */
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- for (;;) {
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- uint64_t at = uleb128(&p);
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- uint64_t form = uleb128(&p);
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- if (!at && !form) break;
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- }
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+ di_skip_die_attributes(&p);
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}
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return p;
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}
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@@ -1389,6 +1405,21 @@
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}
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}
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+static uint64_t
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+read_dw_form_addr(DebugInfoReader *reader, char **ptr)
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+{
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+ char *p = *ptr;
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+ *ptr = p + reader->format;
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+ if (reader->format == 4) {
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+ return read_uint32(&p);
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+ } else if (reader->format == 8) {
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+ return read_uint64(&p);
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+ } else {
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+ fprintf(stderr,"unknown address_size:%d", reader->address_size);
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+ abort();
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+ }
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+}
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+
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static uintptr_t
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ranges_include(DebugInfoReader *reader, ranges_t *ptr, uint64_t addr)
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{
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@@ -1402,8 +1433,50 @@
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}
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else if (ptr->ranges_set) {
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/* TODO: support base address selection entry */
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- char *p = reader->obj->debug_ranges.ptr + ptr->ranges;
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+ char *p;
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uint64_t base = ptr->low_pc_set ? ptr->low_pc : reader->current_low_pc;
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+ if (reader->obj->debug_rnglists.ptr) {
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+ p = reader->obj->debug_rnglists.ptr + ptr->ranges;
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+ for (;;) {
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+ uint8_t rle = read_uint8(&p);
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+ uintptr_t base_address = 0;
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+ uintptr_t from, to;
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+ if (rle == DW_RLE_end_of_list) break;
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+ switch (rle) {
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+ case DW_RLE_base_addressx:
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+ uleb128(&p);
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+ break;
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+ case DW_RLE_startx_endx:
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+ uleb128(&p);
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+ uleb128(&p);
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+ break;
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+ case DW_RLE_startx_length:
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+ uleb128(&p);
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+ uleb128(&p);
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+ break;
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+ case DW_RLE_offset_pair:
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+ from = base_address + uleb128(&p);
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+ to = base_address + uleb128(&p);
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+ if (base + from <= addr && addr < base + to) {
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+ return from;
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+ }
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+ break;
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+ case DW_RLE_base_address:
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+ base_address = read_dw_form_addr(reader, &p);
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+ break;
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+ case DW_RLE_start_end:
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+ read_dw_form_addr(reader, &p);
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+ read_dw_form_addr(reader, &p);
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+ break;
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+ case DW_RLE_start_length:
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+ read_dw_form_addr(reader, &p);
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+ uleb128(&p);
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+ break;
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+ }
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+ }
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+ return false;
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+ }
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+ p = reader->obj->debug_ranges.ptr + ptr->ranges;
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for (;;) {
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uintptr_t from = read_uintptr(&p);
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uintptr_t to = read_uintptr(&p);
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@@ -1747,6 +1820,7 @@
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".debug_info",
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".debug_line",
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".debug_ranges",
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+ ".debug_rnglists",
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".debug_str"
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};
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@@ -2003,6 +2077,7 @@
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"__debug_info",
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"__debug_line",
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"__debug_ranges",
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+ "__debug_rnglists",
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"__debug_str"
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};
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struct LP(segment_command) *scmd = (struct LP(segment_command) *)lcmd;
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